C2D Spitzer-IRS spectra of disks around T Tauri stars: I. Silicate emission and grain growth

J. E. Kessler-Silacci, J. -C. Augereau, C. P. Dullemond +10

Infrared ~5--35 um spectra for 40 solar-mass T Tauri stars and 7 intermediate-mass Herbig Ae stars with circumstellar disks were obtained using the Spitzer Space Telescope as part…